Filter cover of a powered air purifying respirator



FIG. 1 is a perspective view of the design for the filter cover of a powered air purifying respirator;

FIG. 2 is a front view of a design for the filter cover of a powered air purifying respirator;

FIG. 3 is a back view of a design for the filter cover of a powered air purifying respirator;

FIG. 4 is a bottom view of a design for the filter cover of a powered air purifying respirator;

FIG. 5 is a top view of a design for the filter cover of a powered air purifying respirator;

FIG. 6 is a right hand view of a design for the filter cover of a powered air purifying respirator; and,

FIG. 7 is a left hand view of a design for the filter cover of a powered air purifying respirator.

In the drawings, the broken lines are for the purpose of illustrating environment only and form no part of the claimed design. 

CLAIM The ornamental design for a filter cover of a powered air purifying respirator, as shown and described. 